IGRA or Igra may refer to:Indian Gaming Regulatory Act, a law governing Native American (Indian) gambling industries Interferon gamma release assay, a lab test used in tuberculosis diagnosis International Gay Rodeo Association, a sanctioning body for gay rodeos International Guitar Research Archive, a specialized research collection Igra, a rural locality in the Udmurt Republic, Russia Integrated Global Radiosonde Archive, collecting worldwide radiosonde observations. Meshullam Igra, Galician rabbi